/Engine/Source/Runtime/Datasmith/CADKernel/Public/CADKernel/Math/Boundary.h
constexpr const [FLinearBoundary](API\Runtime\CADKernel\CADKernel\Math\FLinearBoundary) & operator[] ( const [EIso](API\Runtime\CADKernel\CADKernel\Geo\UE__CADKernel__EIso) & Iso ) const